Home / 749,218.48-1,123,640.64-293,902.25

Finding the Fourth Proportional to 749,218.48, 1,123,640.64 and 293,902.25

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Solution

The fourth proportional to 749,218.48, 1,123,640.64 and 293,902.25 is: 440,779.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,218.48 : 1,123,640.64 = 293,902.25 : x
  2. Step 2: Convert to fraction form
    749,218.48/1,123,640.64 = 293,902.25/x
  3. Step 3: Cross multiply
    749,218.48x = 1,123,640.64 × 293,902.25
  4. Step 4: Simplify right side
    749,218.48x = 330,240,512,287.44
  5. Step 5: Solve for x
    x = 330,240,512,287.44/749,218.48
  6. Step 6: Final answer
    x = 440,779.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.